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A liter is equivalent to 33.8 fluid ounces. How many liters of gasoline are required to fill a 21 gallon gas tank, if 1 gallon is equivalent to 128 fluid ounces?


A) 710 liters
B) 210 liters
C) 80 liters
D) 6 liters

E) All of the above
F) C) and D)

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By what factor does the volume of a cube increase if the lengths of the edges are doubled?


A) 2
B) 4
C) 6
D) 8

E) B) and D)
F) B) and C)

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The length 4.221 cm is added to 0.01 cm. The appropriately rounded sum is


A) 4.22 cm.
B) 4.231 cm.
C) 4.23 cm.
D) 4.2 cm.
E) 4.21 cm.

F) A) and D)
G) B) and D)

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The best way to learn problem-solving techniques for physics is to


A) watch others demonstrate them.
B) practice them.
C) memorize them.
D) read about them in the text.

E) A) and C)
F) None of the above

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A 2.0 kg object is moving at a speed of v = 12.0 m/s. The drag force is 6.0 N. If the drag force is given by the equation F = bv2, then the value of b is


A) 1.5 × 10−2 Ns2/m2.
B) 4.2 × 10−2 kg/m.
C) 3.9 × 10−1 kg/m2.
D) 4.2 × 10−1 N/m2.
E) 7.5 × 10−3 Ns2/m2.

F) A) and D)
G) A) and C)

Correct Answer

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If the length of a box is reduced by one-third and the width and height are doubled, by what factor has the volume changed?


A) 4/3
B) 2/3
C) 3/4
D) 3/2

E) C) and D)
F) A) and B)

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The radius of a circle is increased by 5%. The percentage increase of the circumference is


A) 5%.
B) 10%.
C) 12%.
D) 16%.

E) A) and B)
F) C) and D)

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The precision and number of significant figures in 1.003 km is


A) precision = 0.0001 km, significant figures = 4.
B) precision = 0.001 km, significant figures = 4.
C) precision = 0.0001 km, significant figures = 3.
D) precision = 0.001 km, significant figures = 3.
E) precision = 0.0001 km, significant figures = 2.

F) All of the above
G) B) and E)

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The radius of a circle is increased by 5%. The percentage increase of the area is about


A) 5%.
B) 10%.
C) 12%.
D) 16%.

E) All of the above
F) A) and D)

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The diameter of a circle is doubled. By what factor is the area changed?


A) √2
B) 2
C) 4
D) √4
E) 1

F) B) and D)
G) C) and D)

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To be dimensionally consistent, distance [L], acceleration [L/T2], and time [T] must be related as follows.


A) distance = acceleration2 × time2
B) distance = acceleration × time
C) distance = acceleration × time2
D) distance = acceleration2 × time

E) All of the above
F) A) and B)

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To be dimensionally consistent, velocity [L/T], pressure [M/LT2], and density [M/L3] must be related as follows.


A) velocity = pressure/density
B) velocity2 = pressure/density2
C) velocity = pressure/density2
D) velocity2 = pressure/density

E) B) and C)
F) C) and D)

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Using the following unit conversions: 1.00 fluid ounce = 29.573 ml, 1.00 L = 1000 cm3, density of water = 1.00 g/cm3, the number of fluid ounces in a kg of water is


A) 48.8 fluid ounces.
B) 40.1 fluid ounces.
C) 33.8 fluid ounces.
D) 25.7 fluid ounces.

E) A) and B)
F) A) and D)

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In everyday language, power and force are similar, but in physics


A) force has only magnitude.
B) power has only direction.
C) force has magnitude and direction.
D) power has magnitude and direction.
E) None of these answers are correct.

F) C) and D)
G) B) and E)

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To be dimensionally consistent, velocity [L/T], force [ML/T2], mass [M], and length [L] must be related as follows.


A) velocity2 = force × length/mass
B) velocity2 = force × length/mass2
C) velocity = force × length2/mass
D) velocity = force × length/mass

E) A) and B)
F) C) and D)

Correct Answer

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What is the approximate volume of an adult human's head?


A) 0.001 m3
B) 0.005 m3
C) 0.02 m3
D) 1.0 m3
E) 0.1 m3

F) A) and B)
G) B) and C)

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Find the equation v2 = ah + b that fits the following data. Find the equation v<sup>2</sup> = ah + b that fits the following data.   A)  v<sup>2</sup> = 3h − 6 B)  v<sup>2</sup> = h − 2 C)  v<sup>2</sup> = 2h + 4 D)  v<sup>2</sup> = 2h − 4


A) v2 = 3h − 6
B) v2 = h − 2
C) v2 = 2h + 4
D) v2 = 2h − 4

E) A) and D)
F) A) and C)

Correct Answer

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Which of the SI prefixes is used to indicate 109?


A) kilo
B) mega
C) giga
D) tera
E) nano

F) A) and D)
G) B) and C)

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The price of gasoline goes up 6% on Monday night and then goes down 7% the following day. What is the net percentage change in the price of gasoline from Monday morning?


A) 1.0%
B) 2.0%
C) −1.4%
D) −1.0%

E) A) and B)
F) A) and C)

Correct Answer

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If the surface area of a sphere is increased by 16%, by what percentage has the radius been changed?


A) 16%
B) 8.1%
C) 7.7%
D) 12%

E) All of the above
F) B) and D)

Correct Answer

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